Patent · US Expired

Composite integral web stiffening method

US4452657A · kind A · utility

24Cited by
19References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 15, 1982
Grant dateJun 5, 1984
Priority date
Expiry dateSep 15, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24182
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

"I" beam or web structures of laminated composite material or sheets are being stiffened by transverse webs stiffeners having a tubular configuration with flattened end portions. The flattened end is inserted between the laminated web material or sheets and cured therewith to form an integral stiffened web structure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.